AZ-801 Question #68: Real Exam Question with Answer & Explanation

Question

You have a Hyper-V failover cluster named Cluster1 at a main datacenter. Cluster1 contains two nodes that have the Hyper-V server role installed. Cluster1 hosts 10 highly available virtual machines. You have a cluster named Cluster2 in a disaster recovery site. Cluster2 contains two nodes that have the Hyper-V server role installed. You plan to use Hyper-V Replica to replicate the virtual machines from Cluster1 to Cluster2. What should you do? To answer, select the appropriate options in the answer area.

Explanation

This question tests knowledge of how to properly configure Hyper-V Replica between two failover clusters using the Hyper-V Replica Broker clustered role, which is required when VMs are hosted in a cluster rather than on standalone Hyper-V hosts.

Approach. When replicating VMs between two Hyper-V failover clusters, you must add the 'Hyper-V Replica Broker' as a clustered role on both Cluster1 and Cluster2. The Replica Broker provides a stable Client Access Point (network name and IP) that persists even if a VM fails over to a different node within the cluster - without it, replication breaks on intra-cluster failover because the replication target/source hostname changes. On Cluster2 (the DR site), you enable the Hyper-V Replica Broker to accept incoming replication traffic (acting as the replica server), then configure each of the 10 VMs on Cluster1 to replicate to Cluster2's Broker network name rather than to an individual node name. Authentication (Kerberos or certificate-based) must also be configured between the two clusters' brokers.

Concept tested. Hyper-V Replica Broker clustered role - required for VM replication between Hyper-V failover clusters; direct host-to-host replication configuration is insufficient in a clustered environment because it does not survive intra-cluster VM failover.

Reference. Microsoft Docs: 'Hyper-V Replica - Set up a replica server for Hyper-V Replica in a failover cluster' (docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/manage/set-up-hyper-v-replica)

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